Obstetrics & gynaecology

Does delaying fatherhood reduce fertility?

In a study published in Acta Obstetricia et Gynecologica Scandinavica, couples in which the prospective father was older had a reduced likelihood of a successful birth through in vitro fertilization/intracytoplasmic sperm ...

Health

Gens X and Y show worrisome trend of declining health

(HealthDay)—Gen X and Gen Y are showing poorer physical health and higher levels of unhealthy behaviors compared with older generations, according to a study published online March 18 in the American Journal of Epidemiology.

Psychology & Psychiatry

'Be a man': Why some men respond aggressively to threats to manhood

When their manhood is threatened, some men respond aggressively, but not all. New research from Duke University suggests who may be most triggered by such threats—younger men whose sense of masculinity depends heavily on ...

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